Finding the Fourth Proportional to 574,770.08, 793,957.20 and 521,115.68
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Solution
The fourth proportional to 574,770.08, 793,957.20 and 521,115.68 is: 719,841.83
Step by Step Solution
- Step 1: Write the proportion equation
574,770.08 : 793,957.20 = 521,115.68 : x - Step 2: Convert to fraction form
574,770.08/793,957.20 = 521,115.68/x - Step 3: Cross multiply
574,770.08x = 793,957.20 × 521,115.68 - Step 4: Simplify right side
574,770.08x = 413,743,546,168.90 - Step 5: Solve for x
x = 413,743,546,168.90/574,770.08 - Step 6: Final answer
x = 719,841.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.